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Conditions > Psoriatic Arthritis > Diagnosing or Misdiagnosing Psoriatic Arthritis
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How Is Psoriatic Arthritis Diagnosed – Or Misdiagnosed?

Diagnosing psoriatic arthritis isn’t easy. Here are some tips to help you help your doctor get it right.

By Bill Sanders

Diagnosing arthritis can be tricky, with symptoms coming and going and so many types to consider and eventually rule out – including those with similar symptoms like psoriatic arthritis, rheumatoid arthritis, osteoarthritis and gout. That’s why people sometimes are initially misdiagnosed and told they have one form of arthritis only to find out later they have another kind entirely.

Does getting it right the first time really matter?

Yes, it does, says Eric Matteson, MD, chair of rheumatology at the Mayo Clinic in Rochester, Minn.

“Early diagnosis is important because the window of opportunity for eliminating long-term joint problems is in the first couple of months of noticing the joint arthritis,” Dr. Matteson says. “Treating it in this timeframe, we can make a major impact on disability from joint damage. We say the first month is critical, but certainly treatment in that first three months is important.”

Even though psoriatic arthritis, or PsA, is an inflammatory form of arthritis, it is sometimes confused with osteoarthritis, or OA, which is not. It also can be mistaken for other forms of inflammatory arthritis, such as rheumatoid arthritis (RA), or gout. Below are some tips to help avoid a psoriatic arthritis misdiagnosis. Another way to make sure you get a proper diagnosis is to see a rheumatologist – a doctor trained in working with arthritis and related conditions.

  • If you have joint pain, and then develop the red, flaky skin that signals psoriasis, along with nail pitting, don’t rule out PsA. Psoriasis usually manifests before psoriatic arthritis symptoms, but not always and sometimes never.
  • If you have psoriasis symptoms and nail pitting first, and then develop joint pain, PsA is likely the culprit, particularly if there is joint swelling. But you can have psoriasis and a form of arthritis that isn’t PsA. “It also depends on your age,” Dr. Matteson says. “If the patient is 60 or 70, I’d think OA first if there isn’t swelling.”
  • If a single joint becomes swollen and extremely painful almost overnight, it’s probably gout. Unlike psoriatic arthritis, there is a surefire way to diagnose gout – examine joint fluid under a microscope. Uric acid crystals signal gout, which develops when the body can’t process uric acid, or produces too much. “You don’t find them in any other condition other than gout, and they are always present in gout,” Dr. Matteson says.

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Mary
18 Apr 2012, 01:27
Hello, to all I pray you find comfort, relief, and peace of mind. To Tona, I would recommend a second opinion, on the medication that is your righI I was diagnosed with psoratic arthritis in 2008 it started in my hands, I do not have the psorisis, just swollen joints, pitting nails,and severe pain/fatigue that gets worse in cold weather, now it is in my left shoulder,sacoriliac, and my right foot is swollen/painful this just started in the last 2 weeks cannot wear a shoe, due to a change in my ins, I had to see a neww rhumatologist, who now says I was misdiagnosed, so please get a 2nd . Take care
Carolyn Frasch
14 Jan 2012, 02:07
I have had psoriasis for over 20 years and psa for over 10 yrs. I started o methotrexate ad Enbril for a few years. Had to get off the metho ad switch to Humira when the Enbril quit working. Have taken celebrex, bextra, and several other various drugs in past with the shot injections. Taking Etodolac. Hydrocodone for pain but wait till am severe than take 2-3 at time. Always have some left over at end of month.
Have had the back injections and this last time the radio frequency abliation which has helped. Do not know how long I can work.
Marilee
20 Sep 2011, 13:54
I have lots of pain and bulb-like swelling in all my joints (even toes and right shoulder.)
These spots are very hot and painful to touch. Standing is easier than sitting or lying down. I am miserable at night and usually end up getting out of bed every 1-1/2 hours. Some times I do not go back to bed until until I am exhausted and guaranteed sleep and that is 6 a.m. My doctor said I have OA but she gave me no suggestion on how manage this condition. I go to a "free" Cherokee Indian Clinic and now I am wondering if maybe I should see a rheumatologist . I really need some good advice from you.
brooklyntony
15 Sep 2011, 17:41
Swollen knuckles are the result of using my hands during the day. Tried metho but made me sick.On methopredisone feeling a little better. I have a great psyatrist who gives me injections every 3 months in the hands.This is a temporary thing but welcome none the less.Pain sucks!! I hope all of you feel better.
Jenny
10 Jun 2011, 09:47
I have psoriasis all over my body and have had nail problems for years. I now have Tendinitis and bone spurs and arthritis in my right shoulder. It is work related from what I have been told by the worker's comp doctor which I was sent to for the tendinitis. I am a cashier and was on the same register facing the same way with no belt for several months. I thought the pain was a pulled muscle till it did not go away and I finally reported it to my manager and they sent me to our worker's comp clinic. When I finally saw a Orthopedic surgeon he tried giving me a second shot of cortizone which did not help and he said I need surgery and that it is probably psoriatic arthritis and recommended surgery to remove a portion of the bone and the bone spurs. I have said ok to the surgery but am having second thoughts. What are your thoughts? I have trouble moving the shoulder and lots of pain and the meds they have given me do not seem to help. So far the meds we have tried are Lodine, KetoProphen and Naproxen 650 ml. The Naproxen seem to be helping but not for the length of time the docotr wants it to. He prescribed one pill twice a day but after about 6 hours the pain is back. I take one in the morning when I go to bed( I work overnight) and one when going to work but it wears off before I get home again. The doctor says I am going to have pain until the section of bone is removed and the healing takes place. Do I have to live with the pain? Thanks for your thoughts.
Jenny
sally clarke
06 Jun 2011, 16:08
hello my boyfriend is 36 and has very bad psoriatic arthritis he told me this is what it is ,he also had pololeo when he was a child
will it ever get better the nails don't really exist and have pits were there are nails.
his fingers have all broken and the tips are bent he works with his hands and im worried about his future can,what causes this i couldn't find this on the above .can it be passed to our children ,i know hes in pain most of the time and sleeps alot when he has the chance he will not go to the doctors,im trying to feed him a good diet but this is affecting his moods and im worried .thank you
doris
19 May 2011, 15:44
hi, i was originally diagnosed with Rheumatoid Athritis and lupas. A little while lated i was diagnosed with R.A. and Sjgrons Syndrome. I wonder alot if they even have it right yet? I have lots of rashes and terrible achey joints also i always have peeling skin on my hands and feet and they get so bad sometimes that they bleed. It makes me wonder if i have psoritic athritis with all my other diagnoses or if they just dont have it right yet! Good luck to everyone that has one condition or another cuz i totally feel your pain.
Tammy Hynes
12 May 2011, 19:16
Sorry about the 1st message my dog hit my arm

My son has PSA for 6 yrs and he is doing well
on humeria shots. I recommend them they do help him alot.

I pray every day for a cure for Psa.
Good luck to all.
Tammy Hynes
12 May 2011, 19:10
VTC ajortici
Nancy Parr
04 Apr 2011, 18:48
I was diagnosed with PA in 2000; put on massive dosses of prednizone initally; now on a regiment of methatrexate and mobic. Also have been diagnosed with degenerative disk disease and had very invasive back surgery 5 years ago. I fully blieve all my back problems stem from the PA. Orthopedic surgeon suggests cervical and another lumbar surgery but I'm very reluctant. I live with the pain through pain meds and just pray for better days. Hope my rheumatologist will agree with Embrel or something similar soon.
alice
01 Apr 2011, 08:49
I had several major back surgeries and thought my aches and pains were due to the healing. Sleeping is painfull as I also get dever cramps in my legs and left hand fingers. I often, most mornings wake up with my left hand ring finger curled under and cramped in place. I have to gentally unroll it. It takes me an hour or more to get my body going (I take two kinds of pain pills in the morning and a cup of tea)---then i can start my day. The news artical was a wake up call----THANK YOU PHIL
Carol S
26 Mar 2011, 13:39
My first symptom was nail pitting and nail separation from the nail bed. My primary care treated me for nail fungus. Didn't work. Then severe pain in my right knee and spine. Orthopedic doc did total knee replacement. 1 yr later still pain. Referred to a Rheumatologist and diagnosed with osteoarthritis. Saw 2 more Ortho surgeons and had my right knee-cap replaced.Terrible pain and swelling in my finger joints. Pain in upper spine and neck. Taking Tylenol w/codeine, but doesn't help all areas. I finally go to a dermatologist (on my own) for the nails. He diagnosed PsA. Started Enbrel. Have noticed less stiffness in my fingers after 3 injections. Hope for more improvement with pain.
Tona
24 Mar 2011, 18:06
I was just told I probably had psoriatic
arthritis from my rheumatologist. She wants me to take this new med, that I don't want to take and even my daughter , who is a RN, said that if it was her she wouldn't take it unless there was nothing else to take. I don't know what to do. I prefer all natural and exercise , but the knees swell a good bit and neither of my elbows will straighten out completely. I am not at a point that I can't do things , just very uncomfortable.. Any advice would be great.
Kimberly
12 Mar 2011, 09:16
I was diagnose with P.A. in 2009. My symptons were stiffness and aches in my knees,right ankle and foot,and my left shoulder,and wrest.the doctor found psoriais on my scalp.The doctor perscribe some medication for me to take. I took this medication for three month and all it did was make all my joints painful and stiff. Then the doctor reccomend I try this treatment,but the side effects scared me.I have not returned and now the pain is in my lower back and hips.
Bob
06 Mar 2011, 10:03
Lower left back is extrmely uncomfortable
when I walk. No problem sitting or sleeping.
About 4 years ago had right hip replaced with
no problems from day one! Have tried many
over the counter drugs with little help.
Any thoughts? Thank you.
Gary
03 Mar 2011, 08:26
Thanks to you and my favorite golfer, Phil Mickelson, for bringing attention to this disorder.
My wife has been plagued with a gradual increase in swelling of the knuckles in her two index fingers over the last couple years and doctors attribute it to arthritis, but have not prescribed medication.

It has gotten so bad, both the increase in swelling and pain, that your exposure (and education) to this problem has prompted me to seek more specific medical help, such as seeing a rheumatologist.

Note: She has no signs of flaky skin as with psoriasis and oddly enough, does find some relief when adding significant amounts of garlic in her meals.

Is there any other advice you can provide for my wife's symptoms?

Thank you.
James Smith
23 Feb 2011, 13:58
I have pain and some swelling of the knees. Also the archies of my right foot hurts at night. Most of the pain is when iset down for an hr.or so then try to get up, the pain in my knees is so bad, it is hard to stand up.After I walk around for awhile the pain is not as bad,and sometime gos away, but as soon as I sit down it start all over again. Heat relieves the pain until it cools back down. It is hard to sleep at night,because when I lay down my kness hurt.
Julie Gibson
16 Feb 2011, 19:16
can u show any pictures of the nail pitting involved with arthritis?

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